彼の頭脳の働きは活発だった。

Sentence Analyzer

彼 の 頭脳 の 働き は 活発 だった 。

English Translation

The functions of his brain were very active.

Furigana

彼(かれ)の頭脳(ずのう)の働(はたら)きは活発(かっぱつ)だった。

Romanji

Kare no zunō no hataraki wa kappatsu datta.

Words

彼 (かれ)

he; him; his; boyfriend

の (の)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

頭脳 (ずのう)

head; brains; intellect; understanding

働き (はたらき)

work; labor; labour; achievement; performance; ability; talent; salary; income; earnings; action; activity; workings; function; operation; movement; motion; conjugation; inflection

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

活発 (かっぱつ)

vigor; vigour; active; lively

だ (だ)

be; is; indicates past or completed action; indicates light imperative

Kanji

彼

Readings: ヒ、 かれ、 かの、 か.の

Meanings: he, that, the

頭

Readings: トウ、 ズ、 ト、 あたま、 かしら、 -がしら、 かぶり

Meanings: head, counter for large animals

脳

Readings: ノウ、 ドウ、 のうずる

Meanings: brain, memory

働

Readings: ドウ、 リュク、 リキ、 ロク、 リョク、 はたら.く

Meanings: work, (kokuji)

活

Readings: カツ、 い.きる、 い.かす、 い.ける

Meanings: lively, resuscitation, being helped, living

発

Readings: ハツ、 ホツ、 た.つ、 あば.く、 おこ.る、 つか.わす、 はな.つ

Meanings: departure, discharge, publish, emit, start from, disclose, counter for gunshots